pfSense: Configuring a Client-to-Site VPN with OpenVPN
In this tutorial, I will explain how to configure a Client-to-Site VPN with PFsense using OpenVPN. As a reminder, a VPN allows you to connect from a remote location to …
Tag
Firewall
16 articles
pfSense: Setting up a firewall
Presentation In this tutorial, I’m going to explain how to set up a place pfSense which is a distribution that allows you to set up a perimeter firewall. pfSense is a …
OPNsense: Setting up a firewall
Presentation In this tutorial, I will explain how to set up OPNsense, which is a distribution that allows you to set up a perimeter firewall. OPNsense is a fork based on …
Proxmox: create a private network with NAT
In this tutorial, I will explain to you how to create a private network on Proxmox and configure NAT so that the LXC/CT containers and virtual computers in this network …
UFW: delete a rule
In this tutorial, I will explain how to easily delete a firewall rule managed by UFW. UFW is a command line interface that simplifies the use of iptables rules.
Ubuntu: enable the firewall and manage it with UFW
In this tutorial, I will explain how to activate the firewall on a computer with Ubuntu and manage it with UFW. UFW for Uncomplicated Firewall is a simplified Netfilter …
Crowdsec: protecting Windows servers
In a previous tutorial, I explained how toprotect your Linux servers with Crowdsec in order to block “malicious” traffic. For almost 2 months now, the Crowdsec version …
Windows firewall, force domain profile
In this tutorial, I will explain how to change the network profile of the firewall on Windows. It happens that after a restart, the profile of the firewall goes private, …
GPO: Managing Windows Firewall Rules
Presentation In this tutorial, we will see how to add rules to the Windows Firewall using Group Policy. For information, the Windows Firewall has been implemented in the …
Sophos XG : add a vlan
In this article, I’ll explain how to declare a vlan on your Sophos XG firewall. Before you create it on the firewall, you must make sure that the port of the switch where …
Sophos XG: installation on Hyper-V
In this tutorial, we will have how to install a Sophos XG firewall on a virtual machine with Hyper-V . For this article, I used the Sophos XG home version which is …
Sophos XG: secure emails
Introduction In this tutorial, we will see how to secure emails with a Sophos XG firewall. The firewall offers two modes of operation for filtering emails: MTA : the …